<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1,user-scalable=no">
</head>
<body>
<div class="content_body">
    
</div>
<script>
    let tittle='头部';
    let content='我是谁，我爱你';
    let str = `<div>
                 <h1>${tittle}</h1>
                 <p>${content}</p>
               </div>`;
    console.log(str)
</script>
</body>
</html>